Metallurgical Engineering · Material Science
स्टील की हॉट फोर्जिंग (hot forging) आमतौर पर लगभग किस तापमान पर की जाती है?
- 11500°C
- 21100°C✓
- 3800°C
- 4400°C
सही उत्तर देखें
1100°C
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